Colorado

For Colorado, energy code in force is Colorado Model Low Energy and Carbon Code; no statewide residential requirement is local jurisdictions adopt under a state mandate, recorded from its source on 2026-08-18.

State: Colorado verified
Energy code in force: Colorado Model Low Energy and Carbon Code verified
No statewide residential requirement: local jurisdictions adopt under a state mandate our reading

Sourceenergyoffice.colorado.gov

Verified2026-08-18

Review by2027-02-14

DatasetWhich energy code each US state enforces for new homes: the IECC edition (or state equivalent) actually in force, with effective dates and amendments, from the state rules themselves

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

State law requires local jurisdictions to adopt and enforce the Colorado Model Low Energy and Carbon Code upon updating any other building code.

— energyoffice.colorado.gov, retrieved 2026-08-18

Source

energyoffice.colorado.govhttps://energyoffice.colorado.gov/building-energy-codes

Last verified against source: 2026-08-18. Due for re-check by 2027-02-14. This page as Markdown · OKF bundle · full dataset as JSON.